21092357

素因数分解:

${\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 32

約数和(自身を含む): 26562816

約数和(自身を除く): 5470459

約数列:

[1, 11, 13, 23, 53, 121, 143, 253, 299, 583, 689, 1219, 1331, 1573, 2783, 3289, 6413, 7579, 13409, 15847, 17303, 30613, 36179, 70543, 83369, 147499, 174317, 397969, 917059, 1622489, 1917487, 21092357]

約数ペア:

[(1, 21092357), (11, 1917487), (13, 1622489), (23, 917059), (53, 397969), (121, 174317), (143, 147499), (253, 83369), (299, 70543), (583, 36179), (689, 30613), (1219, 17303), (1331, 15847), (1573, 13409), (2783, 7579), (3289, 6413)]